CN211554579U - Television backlight source structure with automatic brightness compensation function - Google Patents

Abstract

The utility model discloses a luminance automatic compensation's TV backlight structure, including the TV set body, the top and the bottom fixedly connected with mount of TV set body, a plurality of root support poles of bottom fixed connection of mount, the bottom fixedly connected with base of bracing piece, the movable groove has been seted up on the surface of mount, the driving block has been inserted in the movable groove, the one end fixedly connected with driving plate of driving block, its other end fixedly connected with splint, splint are located the inside of mount, and it is close to a plurality of first springs of lateral wall fixed surface of mount one side, the other end fixed connection of first spring is on the mount, be provided with the backplate between splint and the TV set body. The utility model has the characteristics of structural design is reasonable, and stability is high, convenient to detach to can freely adjust backlight luminance as required, imaging effect is good etc.

Description

Television backlight source structure with automatic brightness compensation function

Technical Field

The utility model relates to a TV set technical field specifically is a luminance automatic compensation's TV backlight structure.

Background

A television is a device that transmits moving image pictures and audio signals by using electronic technology according to the persistence of vision characteristics and visual psychology of human eyes, i.e., a television receiver, and is also an important broadcasting and video communication tool. With the increasing improvement of the living standard of people, the television has become one of the essential household appliances for household users.

The lcd tv is one type of tv set, which mainly comprises a backlight source, a chip technology and a panel, wherein the backlight source is a light source located behind the lcd, and its lighting effect will directly affect the visual effect of the lcd tv. Most of the existing backlight sources are fixedly installed inside a television due to structural design, and the brightness of the backlight source cannot be freely adjusted when the backlight source is used, so that the imaging effect of the television is limited, and therefore, a television backlight source structure with automatic brightness compensation is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's backlight structure fixed, can't freely adjust luminance, and the poor defect of formation of image effect provides a luminance automatic compensation's TV backlight structure. The television backlight source structure with the automatic brightness compensation function has the advantages of being reasonable in structural design, high in stability, convenient to detach, capable of freely adjusting the brightness of the backlight source according to needs, good in imaging effect and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a TV backlight structure of luminance automatic compensation, includes the TV set body, the top and the bottom fixedly connected with mount of TV set body, a plurality of spinal branch vaulting poles of bottom fixed connection of mount, the bottom fixedly connected with base of bracing piece, the activity groove has been seted up on the surface of mount, the transmission piece has been inserted to the activity inslot, the one end fixedly connected with driving plate of transmission piece, its other end fixedly connected with splint, splint are located the inside of mount, and its lateral wall fixed surface that is close to mount one side is connected with a plurality of first springs, the other end fixed connection of first spring is on the mount, be provided with the backplate between splint and the TV set body.

Preferably, the top and the bottom of the rear end face of the television body are fixedly connected with guide blocks, the top and the bottom of the front end face of the back plate are provided with sliding grooves matched with the guide blocks, and the sliding grooves and the cross sections of the guide blocks are T-shaped.

Preferably, the mounting groove has been seted up to the preceding terminal surface of backplate, the both sides cell wall of mounting groove all sets up threaded hole, just install the light guide plate in the mounting groove, the both sides of light guide plate all are provided with the LED module, a plurality of lamp pearl is installed to the last electrical property of LED module, a plurality of second springs of its lateral wall fixedly connected with, the other end fixed connection of second spring is at the cell wall of mounting groove, threaded hole female connection has the threaded rod, the one end fixedly connected with crank of threaded rod, the crank is located outside the mounting groove.

Preferably, the top and the bottom of the LED module are both provided with a limiting hole, a limiting rod is inserted into the limiting hole, and two ends of the limiting rod are fixedly connected to the groove wall of the mounting groove.

Preferably, the equal fixedly connected with a plurality of fixture block in preceding terminal surface top and the bottom of splint, a plurality of and fixture block matched with draw-in groove have all been seted up to the rear end face top and the bottom of backplate, the draw-in groove equals with the quantity of fixture block, and its center is located same straight line.

Preferably, the transmission plate is fixedly connected with a handle, the handle is sleeved with an anti-slip sleeve, the anti-slip sleeve is of a silica gel sleeve structure, and a plurality of hemispherical convex particles are uniformly distributed on the surface of the anti-slip sleeve.

Preferably, the bottom surface of the base is provided with a layer of non-slip mat, the non-slip mat is of a rubber pad structure, and herringbone non-slip lines are engraved on the surface of the non-slip mat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the structure is reasonable in design, the crank is held and rotated to drive the threaded rod to move along the threaded hole, the tail end of the threaded rod drives the LED module to move together when the threaded rod moves, and when the LED module moves, the intensity of a light source received by the light guide plate can be changed by adjusting the distance between the LED module and the light guide plate, so that the brightness of the light guide plate can be automatically compensated without being disassembled, and the imaging effect of the television body is effectively improved;

2. the stability is high, the stability of the LED module can be improved by utilizing the mutual matching between the limiting hole and the limiting rod so as to prevent the LED module from shaking and inclining in the movement process, the bottom surface of the base is provided with a layer of anti-slip pad, the friction force between the base and the contact surface of a desktop and the like can be increased, and therefore the stability of the television body is effectively improved so as to prevent the television body from slipping and displacing when the television body is collided by external force;

3. the backboard can be conveniently mounted on or dismounted from the television body by utilizing the mutual matching between the guide block and the sliding groove, and the backboard can be fixed by utilizing the mutual matching between the clamping block and the clamping groove so as to avoid the backboard from shaking.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the back plate;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is a schematic side view of an LED module.

Reference numbers in the figures: 1. a television body; 2. a fixed mount; 3. a support bar; 4. a base; 5. a movable groove; 6. a transmission block; 7. a drive plate; 8. a splint; 9. a first spring; 10. a back plate; 11. a guide block; 12. a chute; 13. mounting grooves; 14. a threaded hole; 15. a light guide plate; 16. an LED module; 17. a lamp bead; 18. a threaded rod; 19. a crank; 20. a limiting hole; 21. a limiting rod; 22. a clamping block; 23. a card slot; 24. a handle; 25. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a television backlight source structure with automatic brightness compensation comprises a television body 1, wherein the top and the bottom of the television body 1 are fixedly connected with a fixed frame 2, the bottom of the fixed frame 2 is fixedly connected with a plurality of support rods 3, the bottom ends of the support rods 3 are fixedly connected with a base 4, the bottom surface of the base 4 is provided with a layer of anti-slip mat, the anti-slip mat is of a rubber pad structure, the surface of the anti-slip mat is engraved with herringbone anti-slip lines, the friction force between the contact surfaces of the base 4 and a desktop and the like can be increased, so that the stability of the television body 1 is effectively improved, the anti-slip mat is prevented from slipping and shifting when being collided by external force, the surface of the fixed frame 2 is provided with a movable groove 5, a transmission block 6 is inserted into the movable groove 5, one end of the transmission block 6 is fixedly connected with a transmission plate 7, a handle 24, the surface of the back plate is evenly distributed with a plurality of hemispherical convex particles, when a hand holds the handle 24, the friction force between the back plate and the handle 24 can be increased, so as to avoid slipping and falling off the hand, the other end of the transmission block 6 is fixedly connected with a clamping plate 8, the clamping plate 8 is positioned in the fixing frame 2, the surface of the side wall of the back plate close to one side of the fixing frame 2 is fixedly connected with a plurality of first springs 9, the other end of each first spring 9 is fixedly connected with the fixing frame 2, a back plate 10 is arranged between the clamping plate 8 and the television body 1, the top and the bottom of the rear end surface of the television body 1 are both fixedly connected with guide blocks 11, the top and the bottom of the front end surface of the back plate 10 are both provided with chutes 12 matched with the guide blocks 11, the cross sections of the chutes 12 and the guide blocks 11 are both in T shape, the back plate 10 can be conveniently installed on the television, the top and the bottom of the front end face of the clamping plate 8 are fixedly connected with a plurality of clamping blocks 22, the top and the bottom of the rear end face of the back plate 10 are respectively provided with a plurality of clamping grooves 23 matched with the clamping blocks 22, the clamping grooves 23 and the clamping blocks 22 are equal in number, the centers of the clamping grooves 23 and the clamping grooves 22 are positioned on the same straight line, the clamping plate 8 can be tightly attached to the rear end face of the back plate 10 under the elastic action of the first spring 9, the clamping blocks 22 on the surface of the clamping plate 8 can be inserted into the corresponding clamping grooves 23, the back plate 10 can be fixed by utilizing the mutual matching between the clamping blocks 22 and the clamping grooves 23 to avoid the shaking, the front end face of the back plate 10 is provided with a mounting groove 13, the groove walls on the two sides of the mounting groove 13 are provided with threaded holes 14, a light guide plate 15 is arranged in the mounting groove 13, the two sides of the light, the cell wall at mounting groove 13 of the other end fixed connection of second spring 25, lamp pearl 17 passes through wire external power supply, can provide the light source, threaded hole 14 female connection has threaded rod 18, threaded rod 18's one end fixedly connected with crank 19, crank 19 is located outside mounting groove 13, hold and rotate crank 19 and can drive threaded rod 18 along threaded hole 14 motion, its end can drive LED module 16 and move together when threaded rod 18 moves, spacing hole 20 has all been seted up to LED module 16's top and bottom, spacing hole 20 interpolation has gag lever post 21, the equal fixed connection in the cell wall of mounting groove 13 in both ends of gag lever post 21, utilize the mutually supporting between spacing hole 20 and the gag lever post 21 can improve LED module 16's stability, in order to prevent that it from taking place to rock and slope in the motion process.

The working principle is as follows: when the utility model is used, firstly, the electrical components in the device are externally connected with a control switch and a power supply through wires, then the backboard 10 is arranged on the rear end face of the television body 1 through the mutual matching between the guide block 11 and the sliding groove 12, and the handle 24 on the transmission plate 7 is loosened, at the moment, the splint 8 can be tightly attached to the backboard 10 under the elastic action of the first spring 9, so that the backboard 10 is firmly fixed on the rear end face of the television body 1 to avoid the swaying of the backboard; when the luminance of TV set body 1 needs to be compensated, hold and rotate crank 19 and make it drive threaded rod 18 along screw hole 14 motion, its end can drive LED module 16 and move together when threaded rod 18 moves, electric connection has a plurality of lamp pearl 17 on the LED module 16, can provide the light source to light guide plate 15 through supplying power to lamp pearl 17, and when LED module 16 moved, can change the light source intensity that light guide plate 15 received through adjusting its distance with light guide plate 15, thereby need not to dismantle alright carry out automatic compensation to the luminance of light guide plate 15, then effectively improved TV set body 1's imaging effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a TV backlight structure of luminance automatic compensation, includes TV set body (1), its characterized in that: the top and the bottom of the television body (1) are fixedly connected with a fixed mount (2), the bottom of the fixing frame (2) is fixedly connected with a plurality of supporting rods (3), the bottom ends of the supporting rods (3) are fixedly connected with a base (4), a movable groove (5) is arranged on the surface of the fixed frame (2), a transmission block (6) is inserted into the movable groove (5), one end of the transmission block (6) is fixedly connected with a transmission plate (7), the other end of the fixing frame is fixedly connected with a clamping plate (8), the clamping plate (8) is positioned in the fixing frame (2), the surface of the side wall of the side close to the fixed frame (2) is fixedly connected with a plurality of first springs (9), the other end of the first spring (9) is fixedly connected on the fixed frame (2), a back plate (10) is arranged between the clamping plate (8) and the television body (1).

2. The backlight structure of claim 1, wherein: the television set comprises a television set body (1), wherein guide blocks (11) are fixedly connected to the top and the bottom of the rear end face of the television set body (1), sliding grooves (12) matched with the guide blocks (11) are formed in the top and the bottom of the front end face of a back plate (10), and the cross sections of the sliding grooves (12) and the guide blocks (11) are T-shaped.

3. The backlight structure of claim 1, wherein: mounting groove (13) have been seted up to the preceding terminal surface of backplate (10), threaded hole (14) have all been seted up to the both sides cell wall of mounting groove (13), just install light guide plate (15) in mounting groove (13), the both sides of light guide plate (15) all are provided with LED module (16), a plurality of lamp pearl (17) are installed to the electricity on LED module (16), a plurality of second spring (25) of its lateral wall fixedly connected with, the cell wall of the other end fixed connection of second spring (25) in mounting groove (13), threaded hole (14) female connection has threaded rod (18), the one end fixedly connected with crank (19) of threaded rod (18), crank (19) are located outside mounting groove (13).

4. The backlight structure of claim 3, wherein: spacing hole (20) have all been seted up to the top and the bottom of LED module (16), spacing pole (21) have been inserted in spacing hole (20), the equal fixed connection in cell wall in mounting groove (13) in both ends of spacing pole (21).

5. The backlight structure of claim 1, wherein: the equal fixedly connected with a plurality of fixture block (22) in preceding terminal surface top and the bottom of splint (8), a plurality of and fixture block (22) matched with draw-in groove (23) have all been seted up to the rear end face top and the bottom of backplate (10), draw-in groove (23) equal with the quantity of fixture block (22), its center is located same straight line.

6. The backlight structure of claim 1, wherein: fixedly connected with handle (24) on driving plate (7), the cover is equipped with anti-skidding cover on handle (24), anti-skidding cover is silica gel cover structure, and its surface evenly distributed has the protruding grain of a plurality of hemisphere.

7. The backlight structure of claim 1, wherein: the anti-skid device is characterized in that a layer of anti-skid pad is arranged on the bottom surface of the base (4), the anti-skid pad is of a rubber pad structure, and herringbone anti-skid lines are engraved on the surface of the anti-skid pad.

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